191 lines
6.2 KiB
C++
191 lines
6.2 KiB
C++
/*************************************************************************
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*
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* $RCSfile: SlsCacheConfiguration.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: kz $ $Date: 2006-12-12 18:15:31 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_sd.hxx"
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#include "SlsCacheConfiguration.hxx"
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#include <vos/mutex.hxx>
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#include <vcl/svapp.hxx>
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#include <comphelper/processfactory.hxx>
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#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#endif
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#ifndef _COM_SUN_STAR_CONTAINER_XHIERARCHICALNAMEACCESS_HPP_
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#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
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#endif
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#ifndef _COM_SUN_STAR_CONTAINER_PROPERTYVALUE_HPP_
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#include <com/sun/star/beans/PropertyValue.hpp>
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#endif
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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namespace sd { namespace slidesorter { namespace cache {
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::boost::shared_ptr<CacheConfiguration> CacheConfiguration::mpInstance;
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::boost::weak_ptr<CacheConfiguration> CacheConfiguration::mpWeakInstance;
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Timer CacheConfiguration::maReleaseTimer;
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::boost::shared_ptr<CacheConfiguration> CacheConfiguration::Instance (void)
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{
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::vos::OGuard aSolarGuard (Application::GetSolarMutex());
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if (mpInstance.get() == NULL)
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{
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// Maybe somebody else kept a previously created instance alive.
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if ( ! mpWeakInstance.expired())
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mpInstance = ::boost::shared_ptr<CacheConfiguration>(mpWeakInstance);
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if (mpInstance.get() == NULL)
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{
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// We have to create a new instance.
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mpInstance.reset(new CacheConfiguration());
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mpWeakInstance = mpInstance;
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// Prepare to release this instance in the near future.
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maReleaseTimer.SetTimeoutHdl(
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LINK(mpInstance.get(),CacheConfiguration,TimerCallback));
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maReleaseTimer.SetTimeout(5000 /* 5s */);
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maReleaseTimer.Start();
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}
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}
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return mpInstance;
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}
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CacheConfiguration::CacheConfiguration (void)
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{
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// Get the cache size from configuration.
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const ::rtl::OUString sConfigurationProviderServiceName(
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RTL_CONSTASCII_USTRINGPARAM(
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"com.sun.star.configuration.ConfigurationProvider"));
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const ::rtl::OUString sPathToImpressConfigurationRoot(
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RTL_CONSTASCII_USTRINGPARAM("/org.openoffice.Office.Impress/"));
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const ::rtl::OUString sPathToNode(
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RTL_CONSTASCII_USTRINGPARAM(
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"MultiPaneGUI/SlideSorter/PreviewCache"));
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try
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{
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do
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{
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// Obtain access to the configuration.
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Reference<lang::XMultiServiceFactory> xProvider (
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::comphelper::getProcessServiceFactory()->createInstance(
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sConfigurationProviderServiceName),
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UNO_QUERY);
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if ( ! xProvider.is())
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break;
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// Obtain access to Impress configuration.
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Sequence<Any> aCreationArguments(3);
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aCreationArguments[0] = makeAny(beans::PropertyValue(
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::rtl::OUString(
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RTL_CONSTASCII_USTRINGPARAM("nodepath")),
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0,
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makeAny(sPathToImpressConfigurationRoot),
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beans::PropertyState_DIRECT_VALUE));
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aCreationArguments[1] = makeAny(beans::PropertyValue(
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("depth")),
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0,
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makeAny((sal_Int32)-1),
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beans::PropertyState_DIRECT_VALUE));
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aCreationArguments[2] = makeAny(beans::PropertyValue(
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("lazywrite")),
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0,
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makeAny(true),
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beans::PropertyState_DIRECT_VALUE));
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::rtl::OUString sAccessService (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"com.sun.star.configuration.ConfigurationAccess")));
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Reference<XInterface> xRoot (xProvider->createInstanceWithArguments(
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sAccessService, aCreationArguments));
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if ( ! xRoot.is())
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break;
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Reference<container::XHierarchicalNameAccess> xHierarchy (xRoot, UNO_QUERY);
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if ( ! xHierarchy.is())
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break;
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// Get the node for the slide sorter preview cache.
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mxCacheNode = Reference<container::XNameAccess>(
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xHierarchy->getByHierarchicalName(sPathToNode),
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UNO_QUERY);
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}
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while (false);
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}
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catch (RuntimeException aException)
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{
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(void)aException;
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}
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catch (Exception aException)
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{
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(void)aException;
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}
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}
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Any CacheConfiguration::GetValue (const ::rtl::OUString& rName)
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{
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Any aResult;
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if (mxCacheNode != NULL)
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{
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try
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{
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aResult = mxCacheNode->getByName(rName);
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}
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catch (Exception aException)
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{
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(void)aException;
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}
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}
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return aResult;
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}
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IMPL_LINK(CacheConfiguration,TimerCallback, Timer*,EMPTYARG)
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{
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// Release out reference to the instance.
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mpInstance.reset();
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return 0;
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}
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} } } // end of namespace ::sd::slidesorter::cache
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